.x-grid3-header-offset {
        width: auto;
}
.ext-ie .x-grid3 table.ux-grid-group-table, .ext-safari .x-grid3 table.ux-grid-group-table {
        table-layout: auto;
}
.ux-grid-hd-group-cell {
        background: url(../../resources/images/default/grid/grid3-hrow.gif) repeat-x bottom;
        font-size: 9pt;
}